a phosphate group. What element X is most likely to react to form the compound XF5? fat. Peptide bonds join the amine group on one amino acid with the R group of another amino acid. Kidneys play a major role in helping to maintain proper levels of Na+ and K+ ions in the blood. Carbon has four electrons in its valence (outermost) electron shell. carbon This boiling point is the temperature and pressure at which a liquid becomes a gas. Suppose the following compounds were all dissolved in separate beakers of water in the same manner as the salt in the figure. a. H2O b. HCl c. N2 d. NH3 e. CaCl2, Which of the following is an ionic compound? The construction of the truck is such that a transmission heat gain occurs at a rate of 80W/C80 \mathrm{~W} /{ }^{\circ} \mathrm{C}80W/C. The products of exergonic reactions contain more potential energy than the reactants that form them Therefore, a solution with a pH of 8.3 is an alkaline (or basic) solution. A) The cause of the acceleration is well-understood, and attributed to the particles that make up dark energy. (a) Form; Contents. When a solid is converted directly into a gas without going through a liquid phase, the process is known as sublimation. C) We know that dark massive objects such as planets and neutron stars are not made of neutrinos. a. H b. Br c. Se d. Sr, Which of these compounds belongs to the class of substances commonly known as "halohydrins"? JENELLE Evans has posted a pre-gym selfie onto social media, displaying her new gains in tight workout clothes. And removing energy from liquid water causes it to become ice (a solid). You can find the biggest benefit," he said. When heat is applied to a solid, its particles begin to vibrate faster and move farther apart. Yet, many of us are stuck following an ingrained system that's actually working against us and making communication harder. The Lewis structure of C 3 H 4 is as follows. a.) There are many different methods to categorize and characterize matter. Both reactions are endergonic. If unconfined, the particles of a gas will spread out indefinitely; if confined, the gas will expand to fill its container. bonding of amine group to R group The valence electrons are then made up by the forming of an ester bond. B The particles of matter have spaces between them. It's not a new type of matter, but it could. if two atoms of element A react with three atoms of element B, what is the chemical formula for the resulting compound? A) The temperature is always directly related to mass, which is why massive objects are always hotter than less massive objects. B) rotation curves of disk galaxies From what types of damage does the skin protect the body? Correct option is B) The matter is something that occupies space and has volume. a hydrogen bond D) The overall shape of the cluster is that of a lens. can form hydrogen bonds [{Image src='graph3847362846850881619.jpg' alt='graph' caption=''}]. No, because the difference in the pull of oxygen on the bonding electrons would be neutralized. Secondary protein structures involve hydrogen bonding between amine and carboxyl groups. Which of the following is NOT a difference between a compound and a mixture? A) There are not enough neutrinos to make up all the dark matter. C) supermassive black holes were present in the very early universe. 15) Which of the following methods used to determine the mass of a cluster does not depend on Newton's laws of gravity? Would water still be a polar molecule if it were NOT in the form of a V but rather were linear like carbon dioxide? 1. What element is representative, nonmetallic, belongs to group VA, and forms a covalent compound with oxygen? Home / Uncategorized / which of the following is not a form of matter. D) The universe would cease its expansion. Which element can form an acidic oxide: Si or K. A) The light that they emit is so weak that it is undetectable to our telescopes. Which of the following substances react with oxygen? proteins an electrical attraction between opposite charges Which of the following is NOT one of the three basic steps involved in enzyme activity? 1. Hydrogen bonding between certain amine and carboxyl groups creates alpha helices and beta-pleated sheets. 6) How do we know that galaxy clusters contain a lot of mass in the form of hot gas that fills spaces between individual galaxies? A judgment or order shall not contain a recital of the pleadings or the record of prior proceedings. Scientists often have to deal with numbers that are either very large or very small. A. D) Within individual galaxies, dark matter is always concentrated near the galactic center, and within clusters it is always concentrated near the cluster center. It's common to use "matter" when referring to a singular issue (as a noun). Matter: The matter is the substance that has mass and occupies space. 3) The text states that luminous matter in the Milky Way seems to be much like the tip of an iceberg. Fermions normally like to be alone, but to create this matter phase, scientists have to coax them to pair up. A Solid B Liquid C Gas D Vapour Easy Solution Verified by Toppr Correct option is D) Matter has three main state of matter that is solid, liquid and gas. Which of the following statements is true regarding the reaction without an enzyme compared to the one with an enzyme? oxidation; reduction Give the chemical name for each of the following binary compounds: nonmetal-nonmetal. a solution DNA. Ultimately, genes and experienceswork together to construct brain architecture. four hydrogen atoms and one carbon atom table sugar, or sucrose (C12H22O11) Which of the two compounds in the given pair is more basic in water? the formation of chemical bonds between the reactants Covalent an active site Enzymes do not provide energy to their substrates. Group of answer choices Gamma-rays X-rays Radio waves Electrons Sunlight This problem has been solved! There's even a strange type of matter, known as a chain-melted state, that stably exists as both a solid and liquid at once. 2. Tertiary protein structure emerges when there is more than one peptide chain in a protein. |Score 1| Janet17 |Points 46337|. (Image credit: Research groups of Professor Andreas Zumbusch and Professor Matthias Fuchs). B) No, because expansion of the universe affects only empty space, not space in which matter is present. C. A metal surface becomes dull on exposure to air. a form of potential energy called chemical energy, chain-melted state, that stably exists as both a solid and liquid at once, a form of matter that were first proposed in 2012, Google announced that it had made a time crystal in a quantum computer, fermionic condensates were first created in 2004, where the matter in the universe came from, In rare case, mother delivers two sets of identical twins, back to back, 'Brain-eating' amoeba case in Florida potentially tied to unfiltered water in sinus rinse, New Moai statue that 'deified ancestors' found on Easter Island. carbon dioxide. A) The lensing allows us to determine the orbital speeds of galaxies in the cluster, so that we can determine the mass of the cluster from the orbital velocity law. (a) Nitrogen (b) Oxygen (c) Carbon (d) Phosphorus. The swimmer's body contains a higher concentration of electrolytes (salts) compared to the freshwater lake Check that your answer satisfies the ODE as well as the initial conditions. Question: Which of the following is not an example of matter? B. Which of the following is not a form of matter? The chemical reactivity of an atom is based on the overall number of electrons in the atom. Buffers resist abrupt and large swings in the pH of body fluids by releasing hydrogen ions (acting as acids) when the pH begins to rise and by binding hydrogen ions (acting as bases) when the pH drops. is based on the salinity of a solution A balloon filled with hydrogen gas explodes upon contact with a spark. Which of the following is not the state of matter? "I always thought, well, if you help the black community, that's the biggest lever. one D) Dark matter probably does not really exist, and rather indicates a fundamental problem in our understanding of gravity. A) We infer its existence by observing its gravitational effects on the galaxy motions. the breaking of chemical bonds within the reactants. Solid ice can be very brittle. Find examples of conservation of matter. It also holds clouds aloft. True 3) Why do we believe 90 percent of the mass of the Milky Way is in the form of dark matter? enzymes neutral solution We at Modern Dermatology, in Scottsdale and Tempe . It will take the shape of its container. The seed coat's most important function is to provide a) a nonstressful . A sister phase to the BEC, fermionic condensates were first created in 2004 (opens in new tab), according to NASA. a hydrogen atom within a water molecule For example, adding thermal energy (heat) to liquid water causes it to become steam or vapor (a gas). D) Their gravity is strong enough to hold them together against the expansion of the universe. ATP Many play vital roles in cell function. In fact, enzymes are completely unchanged by their catalytic role and can act again and again. 2. Complete Work/Life Balance. B. Which of the following statements regarding matter is FALSE? Physical, Polymerizes to form polyethylene. B. The reaction in the presence of enzyme releases more energy. four Biology, 21.06.2019 20:00. When you purchase through links on our site, we may earn an affiliate commission. B) the structure of any individual cluster of galaxies. Except for elements with atomic number 1 and 2, all other elements are stable with how many electrons in their outermost (valence) energy level? B) The actual density, even with dark matter included, is less than about a third of the critical density. Less energy input is required to start the reaction in the presence of enzyme. My responsibilities . The products of exergonic reactions contain more potential energy than the reactants that form them In general, the matter has mass and occupies space. A a. participation. Biological macromolecules are synthesized by ___________ reactions and are broken down by ___________ reactions. Related: How many atoms are in the observable universe? Adams seemingly took the result of the poll to mean that 47% of black Americans did not have a favorable view of white people and intimated that he would be changing his approach to racial matters. MgO2 Mg + O2 <br><br>I'm skilled at thinking creatively (user experience (UX) design) to solve problems across projects and bringing diverse stakeholders together to deliver . Dietary glucose is primarily used to drive our metabolic pathways that produce energy. an R group. The atoms of a polar molecule share electrons equally. an amine group and a fatty acid, The presence of what group differentiates most amino acids from each other? Which of the following is true of protein structure? When a gas is put under pressure by reducing the volume of the container, the space between particles is reduced and the gas is compressed, according to NASA's Glenn Research Center. 18 D) the luminous matter of the Milky Way is essentially floating on the surface of a great sea of dark matter. Increasing the temperature of atoms and molecules increases their kinetic energy (TABLE SALT DISSOLVED IN WATER) hyperbolic a. P2O3 b. SO2 c. NO3, Which of the following represent elements and which represent compounds? which of the following is not a form of matter. 3. The conversion of potential energy into kinetic energy is an example of work E) all of the above. It's a copper-based mineral known as Herbertsmithite, named after British mineralogist Herbert Smith. As the Advisor, Talent Attraction & Acquisition (TAA), you will be responsible for fulfilling our full life cycle recruitment needs for Save the Children US, ensuring we are able to attract both qualified and engaged talent to deliver our mission for children at home and around the world. Oxygen and sulfur both have six electrons in their valence (outermost) electron shells. Light appears to slow down as it passes through a BEC, allowing scientists to study the particle/wave paradox. Chemically, the triphosphate tail of ATP can be compared to a tightly coiled spring ready to uncoil with tremendous energy when the catch is released. Polar covalent bonds involve the transfer of electrons from electropositive atoms to electronegative atoms. C) The galaxies in clusters would begin to fly apart. Peptide bonds form from dehydration synthesis reactions between an amine group and an organic acid group. This unique characteristic allows ice to float in water, like this massive iceberg in Antarctica. I create, scale and optimise business opportunities that matter. MgO2 Mg + O2 B) the higher the amount of mass relative to light (higher mass-to-light ratio), the greater the proportion of dark matter. All other trademarks and copyrights are the property of their respective owners. What kind of elements form molecular compounds? 14) Which of the following best sums up current scientific thinking about the nature of dark matter? Exchange reactions allow chemical energy from one molecule to be transferred to another Give the chemical name for each of the following binary compounds: nonmetal-nonmetal. 1. Objective: To test the hypothesis that brain network architecture constrains cross-sectional and longitudinal grey matter alterations across different stages of psychotic illness and to identify whether certain brain regions act as putative epicentres from which volume loss spreads. BECs are also used to simulate conditions that might exist in black holes. A) observations of the speeds of individual galaxies in clusters hydrogen bond All of the listed responses are true. In fact, many of the special properties of water derive from its extensive hydrogen bonding capacity. C) The universe is not old enough yet for these objects to begin their expansion. Solids have a definite shape, as well as mass and volume, and do not conform to the shape of the container in which they are placed. B) They are subatomic particles. Become a Study.com member to unlock this answer! 2. 2. Once dissociated, the sodium and chloride ions would be expected to disperse uniformly amongst the surrounding water molecules. e) All of these are molecular compounds. A BEC was first created by scientists in 1995. water the sharing of a pair of protons Which of the following statement is not true regarding the characteristic of matter? Carbon, Hydrogen, Oxygen, Nitrogen (CHON). Classify the following as elemental substances or compounds: Sulfur. True It then emits flames and smoke. Summary. 2. B) studying X-ray emission from hot gas inside the cluster Which of these compounds is most likely to be ionic? 3. Murdaugh Murders Podcast co-hosts Mandy Matney, Liz Farrell and everyone's favorite attorney Eric Bland take a hard look at Dick and Jim's last-minute attempt to stop a blood spatter expert from testifying against Alex Murdaugh this week. D) We detect this gas with X-ray telescopes. C) The actual density of dark matter and luminous matter combined is no more than about 1% of the critical density. E) the expansion of the universe. If the ambient temperature is 25C25^{\circ} \mathrm{C}25C, Find how long it will take for a system with a refrigeration capacity of 8kW8 \mathrm{~kW}8kW to precool this truck. ATP B) The temperature tells us the average speeds of the gas particles, which are held in the cluster by gravity, so we can use these speeds to determine the cluster mass. 3. 3. Tamang sagot sa tanong: 2. C) They respond to the weak force but not to the electromagnetic force, which means they cannot emit light. oxygen gas b.) 1) C6H5SH 2) S2Cl2 3) SiO2 4) ZnBr2 5) C3H5OH, Which of the following compounds corresponds to the spectrum shown here? a suspension No, because the difference in the pull of oxygen on the bonding electrons would be neutralized. Save 50% on any of our courses through March 31st, 2023! False. a. K b. H2O c. Ti d. HF, Which of the elements listed below would most likely form an ionic bond when bonded to oxygen? 9) Which of the following is not one of the three main strategies used to measure the mass of a galaxy clusters? 3. C) Yes, and that is why clusters tend to grow in size with time. What is a compound? 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